Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.732338E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:24:53+0800
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    1 Object 1

    AOE ID 56138
    NORAD ID 56138
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63849
    NORAD ID 63849
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4774 STARLINK-34009
    Time of Closest Approach 2026-10-21T09:17:16+0000
    Collision Probability (Pc) 6.732338E-6
    Conjunction Distance (km) 1.253 km
    Relative Speed (km/s) 6.155 km/s
    Conjunction Risk Parameters R (Radial): 0.907 | I (In-track): -0.791 | C (Cross-track): 0.345
    Collision Risk Index (CRI) 0.52
    X Position (km) 5447.49 5448.308
    Position Y (km) 601.524 600.745
    Position Z (km) 4119.181 4119.722
    Velocity X (km/s) -2.606 1.074
    Velocity Y (km/s) 6.734 7.139
    Velocity Z (km/s) 2.459 -2.458

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4774 STARLINK-34009
    Semimajor Axis (a) 6861.201 km 6861.125 km
    Eccentricity (e) 0.000196 0.000403
    Inclination (i) 43.0047° 43.0015°
    RAAN 325.5463° 251.9918°
    Perigee Argument 287.2198° 240.0209°
    Mean Anomaly (M) 72.8439° 120.0243°
    Apogee 484.410 km 485.754 km
    Perigee 481.718 km 480.222 km
    Orbit Epoch 2026-10-19T02:05:39+0000 2026-10-19T06:33:32+0000

    STARLINK-4774 & STARLINK-34009 Collision Probability (Pc) Trend

    STARLINK-4774 & STARLINK-34009 Collision Probability (Pc) TrendNot Available

    STARLINK-4774 & STARLINK-34009 Miss Distance (Miss Distance) Trend

    STARLINK-4774 & STARLINK-34009 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4774Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34009Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4774Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34009Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4774

    No nearby objects data